Home / 122,250.71-168,705.87-68,535.74

Finding the Fourth Proportional to 122,250.71, 168,705.87 and 68,535.74

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Solution

The fourth proportional to 122,250.71, 168,705.87 and 68,535.74 is: 94,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,250.71 : 168,705.87 = 68,535.74 : x
  2. Step 2: Convert to fraction form
    122,250.71/168,705.87 = 68,535.74/x
  3. Step 3: Cross multiply
    122,250.71x = 168,705.87 × 68,535.74
  4. Step 4: Simplify right side
    122,250.71x = 11,562,381,642.79
  5. Step 5: Solve for x
    x = 11,562,381,642.79/122,250.71
  6. Step 6: Final answer
    x = 94,579.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.